TDA7529_11 Datasheet, PDF (46/61 Pages) STMicroelectronics – RF front-end for AM/FM DSP car-radio with IF sampling

Registers description
6.1.12 PLL control 1 (11)
Table 38. PLL control 1 (11)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
PLL enable
-
-
-
-
-
-
-
0 PLL Off
1 ^{PLL On}
Divider R enable
-
-
-
-
-
-
0
- ^{Divider R off; = div / 1}
1
Divider R on
Select reference input
-
-
-
-
-
0
-
- ^{Reference frequency input = LVDS}
1
Reference frequency input = Xtal
Charge pump current 800μA
-
-
-
-
0
-
-
- ^{0 µA}
1
800 µA
Slope of high current CP
0
0
0
0
highest
-
-
-
-
:
:
:
:
:
1
1
1
1
lowest
6.1.13 PLL control 2 (12)
Table 39. PLL control 2 (12)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
Delay of high current CP
0
0
0
0 ^shortest
-
-
-
-
:
:
:
::
1
1
1
1 ^longest
State machine modes decode
0
0
0
Buffer mode
0
0
1
Preset
0
1
0
Search
-
0
1
1
-
-
-
- AF update
1
0
0
Jump
1
0
1
Check
1
1
0
Load
1
1
1
End
Register functionality control
0
-
-
-
-
-
-
- Normal/shadow mode
1
Buffer/control mode
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Doc ID 13311 Rev 4
TDA7529